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2025-10-15 - 15:57
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rackeslot4.osadl.org (updated Wed Oct 15, 2025 12:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1698401993218,6cyclictest1935819-21munin-run10:40:011
169840199290,21cyclictest1860324-21fw_conntrack09:40:141
169840799281,24cyclictest2012199-21hddtemp_smartct11:40:153
169840799271,23cyclictest0-21swapper/310:40:033
169840799262,21cyclictest1885745-21apt-get10:00:123
169840799262,20cyclictest1967695-21apt-get11:05:133
169840499261,22cyclictest1817131-21apt-get09:05:092
1698407992521,2cyclictest1873083-21apt-get09:50:133
169840799251,2cyclictest1749878-21apt-get08:00:133
169840799251,2cyclictest0-21swapper/311:28:073
169840799251,22cyclictest1853895-21ssh09:35:143
169840799251,21cyclictest1948730-21apt-get10:50:143
169840799250,23cyclictest0-21swapper/307:25:133
169840799250,22cyclictest0-21swapper/312:10:053
169840799250,21cyclictest2082007-21tr12:35:183
169840799250,21cyclictest1834939-21ssh09:20:123
169840799250,20cyclictest0-21swapper/311:20:083
169840799250,20cyclictest0-21swapper/309:40:123
169840499251,3cyclictest2005791-21fw_forwarded_lo11:35:162
169840499250,21cyclictest1917210-21ssh10:25:142
169840199254,2cyclictest0-21swapper/110:20:161
169840199252,21cyclictest1917206-21apt-get10:25:141
1698401992520,3cyclictest2030383-21sh11:55:001
169839899252,21cyclictest1936096-21apt-get10:40:100
1698398992518,5cyclictest1981487-21cut11:15:170
169839899251,2cyclictest1821938-21diskmemload09:19:090
169839899251,22cyclictest1853894-21cpuspeed_turbos09:35:150
169839899251,21cyclictest2056312-21apt-get12:15:130
169839899250,23cyclictest0-21swapper/009:40:120
1698407992419,3cyclictest2079128-21ntp_12:30:193
1698407992419,3cyclictest1981476-21ssh11:15:173
169840799241,21cyclictest2005490-21apt-get11:35:143
169840799241,21cyclictest1821938-21diskmemload09:30:063
169840799241,21cyclictest0-21swapper/312:05:183
169840799241,20cyclictest0-21swapper/311:50:133
169840799241,20cyclictest0-21swapper/310:20:003
169840799241,20cyclictest0-21swapper/307:55:143
169840799240,2cyclictest1898320-21ssh10:10:143
169840799240,2cyclictest1898320-21ssh10:10:133
169840799240,22cyclictest0-21swapper/312:20:053
1698404992419,3cyclictest2081483-21apt-get12:35:142
169840499241,2cyclictest1884864-21ssh09:58:152
169840499240,4cyclictest2077442-21ps12:30:172
169840499240,3cyclictest1928003-21unixbench_singl10:30:252
169840499240,22cyclictest1902342-21ntpq10:10:232
169840499240,22cyclictest1902342-21ntpq10:10:222
169840499240,21cyclictest1821938-21diskmemload11:05:022
1698401992420,2cyclictest1791754-21apt-get08:40:131
169840199241,22cyclictest1821938-21diskmemload09:10:121
169840199241,22cyclictest1759761-21cron08:10:001
169840199241,21cyclictest1894108-21kthreadcore10:05:181
169840199241,21cyclictest1894108-21kthreadcore10:05:171
169840199241,20cyclictest1821938-21diskmemload09:45:071
169840199241,20cyclictest0-21swapper/110:30:041
169840199240,3cyclictest1834139-21ssh09:18:371
1698398992421,2cyclictest2719-21cron08:10:000
169839899241,2cyclictest0-21swapper/007:45:000
169839899241,2cyclictest0-21swapper/007:45:000
169839899241,21cyclictest1744824-21apt-get07:55:130
169839899240,2cyclictest0-21swapper/012:20:130
169839899240,22cyclictest1828244-21cron09:14:590
169839899240,22cyclictest1821938-21diskmemload11:25:090
169839899240,22cyclictest1-21systemd10:10:010
169839899240,22cyclictest1-21systemd10:10:000
169839899240,20cyclictest1821938-21diskmemload10:55:260
169839899240,1cyclictest0-21swapper/011:01:350
1698407992319,2cyclictest0-21swapper/311:30:133
1698407992319,1cyclictest1821938-21diskmemload12:26:003
1698407992318,2cyclictest0-21swapper/307:50:023
169840799231,2cyclictest1841202-21apt-get09:25:123
169840799231,2cyclictest1781303-21ps08:30:163
169840799231,21cyclictest1821938-21diskmemload09:58:043
169840799231,21cyclictest0-21swapper/307:23:003
169840799231,20cyclictest1821938-21diskmemload09:13:443
169840799231,20cyclictest0-21swapper/312:17:293
169840799231,20cyclictest0-21swapper/311:55:013
169840799231,1cyclictest1817131-21apt-get09:05:083
169840799230,21cyclictest1821938-21diskmemload10:23:243
169840799230,21cyclictest0-21swapper/310:30:123
169840799230,20cyclictest1917211-21ssh10:25:133
169840799230,20cyclictest0-21swapper/310:45:013
169840799230,20cyclictest0-21swapper/308:25:163
169840799230,20cyclictest0-21swapper/307:45:103
169840799230,20cyclictest0-21swapper/307:35:133
169840799230,20cyclictest0-21swapper/307:35:123
169840799230,20cyclictest0-21swapper/307:10:133
169840499237,7cyclictest191rcu_preempt09:54:592
1698404992320,2cyclictest1821938-21diskmemload12:14:492
1698404992319,2cyclictest1980288-21apt-get11:15:122
1698404992317,5cyclictest2073398-21unixbench_singl12:25:312
169840499231,2cyclictest1866358-21apt-get09:45:112
169840499231,2cyclictest1860031-21apt-get09:40:122
169840499231,2cyclictest1821938-21diskmemload09:22:482
169840499231,2cyclictest1821938-21diskmemload09:17:352
169840499231,2cyclictest1790204-21ntpq08:35:212
169840499231,21cyclictest2062272-21basename12:19:592
169840499231,20cyclictest1853775-21apt-get09:35:132
169840499231,20cyclictest1821938-21diskmemload11:41:122
169840499231,20cyclictest0-21swapper/209:10:122
169840499230,3cyclictest2037014-21ssh11:59:422
169840499230,3cyclictest1769966-21apt-get08:20:022
169840499230,22cyclictest2004802-21ssh11:33:502
169840499230,22cyclictest1942423-21ssh10:45:112
1698401992319,3cyclictest1998885-21munin-run11:30:011
1698401992319,3cyclictest1703918-21fschecks_count07:15:151
1698401992319,2cyclictest2085895-21grep12:35:271
1698401992319,2cyclictest2050069-21apt-get12:10:121
169840199231,2cyclictest2018108-21apt-get11:45:111
169840199231,2cyclictest1979995-21munin-run11:15:011
169840199231,2cyclictest1821938-21diskmemload12:18:381
169840199231,2cyclictest1821938-21diskmemload11:15:251
169840199231,2cyclictest1821938-21diskmemload10:12:321
169840199231,2cyclictest1821938-21diskmemload10:12:321
169840199231,2cyclictest1780808-21apt-get08:30:121
169840199231,2cyclictest1770659-21apt-get08:20:131
169840199231,21cyclictest1821938-21diskmemload09:33:131
169840199231,19cyclictest0-21swapper/110:45:021
169840199231,19cyclictest0-21swapper/109:25:111
169840199230,22cyclictest1770094-21apt-config08:20:011
169840199230,21cyclictest1873083-21apt-get09:50:121
169840199230,21cyclictest1821938-21diskmemload12:01:481
169840199230,20cyclictest1948738-21ssh10:50:141
169840199230,20cyclictest1835119-21fschecks_count09:20:141
1698398992320,2cyclictest1929805-21apt-get10:35:110
1698398992320,2cyclictest1910881-21apt-get10:20:160
1698398992319,2cyclictest1698614-21apt-get07:10:130
169839899231,2cyclictest1986586-21apt-get11:20:130
169839899231,21cyclictest1821938-21diskmemload11:55:010
169839899231,21cyclictest1775762-21apt-get08:25:160
169839899231,20cyclictest2043751-21apt-get12:05:130
169839899231,20cyclictest1708773-21apt-get07:20:140
169839899230,4cyclictest1801630-21idleruntime-cro08:50:010
169839899230,3cyclictest1866358-21apt-get09:45:110
169839899230,2cyclictest1821938-21diskmemload11:30:210
169839899230,22cyclictest0-21swapper/010:20:000
169839899230,21cyclictest2082006-21grep12:35:180
169839899230,21cyclictest2018068-21ssh11:45:080
169839899230,21cyclictest1821938-21diskmemload12:26:210
169839899230,21cyclictest1821938-21diskmemload11:05:380
169839899230,21cyclictest0-21swapper/007:45:100
169839899230,20cyclictest1821938-21diskmemload12:33:380
169839899230,20cyclictest1791086-21https08:40:000
169839899230,20cyclictest0-21swapper/007:25:130
169839899230,1cyclictest0-21swapper/011:10:340
169839899230,1cyclictest0-21swapper/009:25:070
1698407992219,2cyclictest1828578-21apt-get09:15:143
1698407992219,2cyclictest1821938-21diskmemload12:01:363
1698407992219,2cyclictest0-21swapper/308:55:143
1698407992218,2cyclictest2018108-21apt-get11:45:133
1698407992218,2cyclictest1718949-21apt-get07:30:163
1698407992218,2cyclictest0-21swapper/309:45:113
169840799221,2cyclictest1892056-21ssh10:05:123
169840799221,2cyclictest1892056-21ssh10:05:123
169840799221,2cyclictest1821938-21diskmemload10:36:223
169840799221,20cyclictest0-21swapper/311:14:353
169840799221,20cyclictest0-21swapper/308:40:143
169840799220,2cyclictest1733924-21idleruntime-cro07:45:013
169840799220,2cyclictest1733924-21idleruntime-cro07:45:003
169840799220,21cyclictest1821938-21diskmemload11:04:393
169840799220,20cyclictest0-21swapper/310:56:303
1698404992219,2cyclictest1821938-21diskmemload11:04:032
1698404992219,2cyclictest1739729-21apt-get07:50:162
1698404992219,2cyclictest0-21swapper/210:05:422
1698404992219,2cyclictest0-21swapper/210:05:422
1698404992218,3cyclictest2023159-21ssh11:47:042
1698404992218,3cyclictest1841163-21ssh09:25:092
1698404992218,2cyclictest2049949-21latency_hist12:10:002
1698404992216,4cyclictest1994273-21kthreadcore11:25:182
169840499221,2cyclictest1821938-21diskmemload11:50:472
169840499221,2cyclictest1821938-21diskmemload10:43:352
169840499221,2cyclictest1821938-21diskmemload10:02:202
169840499221,20cyclictest1785623-21systemctl08:35:012
169840499221,20cyclictest0-21swapper/207:46:062
169840499221,20cyclictest0-21swapper/207:25:212
169840499220,3cyclictest1916693-21ssh10:24:302
169840499220,2cyclictest1991528-21ssh11:21:482
169840499220,2cyclictest1821938-21diskmemload11:11:252
169840499220,20cyclictest1847988-21irqcore09:30:192
169840499220,20cyclictest1821938-21diskmemload10:19:012
1698401992220,1cyclictest1821938-21diskmemload11:36:261
1698401992219,2cyclictest2011798-21apt-get11:40:121
1698401992219,2cyclictest1821938-21diskmemload12:25:291
1698401992219,2cyclictest1821938-21diskmemload11:09:221
1698401992219,2cyclictest1821938-21diskmemload10:56:371
1698401992219,2cyclictest0-21swapper/112:33:071
1698401992218,3cyclictest1941951-21ssh10:44:361
1698401992218,2cyclictest1728805-21sh07:40:001
1698401992218,2cyclictest1728805-21sh07:40:001
169840199221,20cyclictest1821938-21diskmemload10:04:071
169840199220,3cyclictest2044144-21smartctl12:05:161
169840199220,21cyclictest1910111-21ssh10:18:381
169840199220,20cyclictest1821938-21diskmemload11:55:081
169840199220,20cyclictest0-21swapper/109:05:091
169840199220,19cyclictest0-21swapper/108:35:121
1698398992219,2cyclictest1821938-21diskmemload10:11:340
1698398992219,2cyclictest1821938-21diskmemload10:11:340
1698398992219,1cyclictest0-21swapper/012:00:480
1698398992216,5cyclictest1852618-21ssh09:32:260
169839899221,20cyclictest1821938-21diskmemload10:29:470
169839899220,2cyclictest0-21swapper/011:50:150
169839899220,2cyclictest0-21swapper/010:00:120
169839899220,2cyclictest0-21swapper/008:00:140
169839899220,21cyclictest0-21swapper/009:20:120
169839899220,20cyclictest1792251-21grep08:40:170
169839899220,1cyclictest0-21swapper/011:40:120
169839899220,1cyclictest0-21swapper/011:35:030
169839899220,1cyclictest0-21swapper/009:55:110
169839899220,19cyclictest1874661-21kthreadcore09:50:190
169839899220,19cyclictest1821938-21diskmemload10:50:110
169839899220,19cyclictest1821938-21diskmemload10:45:010
169839899220,19cyclictest1764874-21munin-run08:15:000
169839899220,19cyclictest0-21swapper/012:10:050
169839899220,19cyclictest0-21swapper/010:30:070
1698407992118,2cyclictest0-21swapper/308:51:083
169840799210,20cyclictest1791105-21apt-config08:40:003
169840799210,20cyclictest1764883-21basename08:15:013
1698404992119,1cyclictest0-21swapper/210:36:142
1698404992119,1cyclictest0-21swapper/207:30:162
1698404992118,2cyclictest0-21swapper/210:55:142
1698404992118,2cyclictest0-21swapper/208:40:122
1698404992117,2cyclictest2062590-21chrt12:20:132
169840499210,3cyclictest1780555-21munin-run08:30:002
169840499210,20cyclictest0-21swapper/212:00:042
169840499210,1cyclictest1729074-21apt-get07:40:122
169840499210,1cyclictest1729074-21apt-get07:40:122
169840499210,19cyclictest1713591-21cron07:25:002
1698401992118,2cyclictest64-21kcompactd008:52:131
169840199211,1cyclictest1821938-21diskmemload12:20:381
169840199210,2cyclictest2000174-21ps11:30:171
169840199210,20cyclictest1821938-21diskmemload09:35:311
169840199210,20cyclictest0-21swapper/111:20:141
169840199210,19cyclictest0-21swapper/109:55:121
169840199210,19cyclictest0-21swapper/107:50:161
169840199210,19cyclictest0-21swapper/107:40:111
169840199210,19cyclictest0-21swapper/107:40:111
169840199210,18cyclictest0-21swapper/107:20:141
1698398992117,2cyclictest1801905-21apt-get08:50:130
1698398992117,2cyclictest0-21swapper/007:50:020
169839899210,20cyclictest0-21swapper/007:35:120
169839899210,20cyclictest0-21swapper/007:35:120
169839899210,1cyclictest0-21swapper/008:30:120
1698407992016,3cyclictest0-21swapper/308:05:113
1698407992016,2cyclictest0-21swapper/308:15:133
169840499200,19cyclictest0-21swapper/209:05:012
169840499200,19cyclictest0-21swapper/207:35:202
169840499200,19cyclictest0-21swapper/207:35:202
169840499200,19cyclictest0-21swapper/207:18:412
1698401992017,2cyclictest1738829-21runrttasks07:47:421
169840199200,1cyclictest0-21swapper/108:10:141
1698398992016,2cyclictest0-21swapper/007:30:160
169839899200,1cyclictest0-21swapper/009:05:080
1698404991918,1cyclictest0-21swapper/208:10:142
1698404991916,2cyclictest0-21swapper/207:10:132
1698401991917,1cyclictest0-21swapper/108:45:141
1698401991916,2cyclictest0-21swapper/107:55:131
1698398991917,1cyclictest0-21swapper/008:55:130
1698407991815,2cyclictest18159612sleep309:00:243
1698407991815,1cyclictest64-21kcompactd008:47:233
1698398991815,2cyclictest1765131-21apt-get08:15:140
1698404991715,1cyclictest1806736-21systemd-run08:55:002
1698404991715,1cyclictest0-21swapper/208:00:132
1698404991713,2cyclictest1766081-21kthreadcore08:15:172
1698404991713,2cyclictest1754952-21apt-get08:05:112
1698401991713,2cyclictest1806976-21apt-get08:55:121
1698398991714,2cyclictest1774606-21ntpq08:20:220
1698398991713,3cyclictest1812552-21ps09:00:210
1698407991614,1cyclictest0-21swapper/308:20:223
1698404991614,1cyclictest0-21swapper/208:55:122
1698401991614,1cyclictest0-21swapper/108:25:161
1698401991614,1cyclictest0-21swapper/107:10:121
1698407991411,2cyclictest64-21kcompactd007:19:133
1698401991412,1cyclictest1719432-21ps07:30:201
1698401991411,2cyclictest0-21swapper/109:05:011
1698398991411,2cyclictest245621450irq/127-enp0s29f1:rx-007:15:160
169840499127,4cyclictest1749317-21sshd07:56:382
169840799118,2cyclictest491ktimers/307:10:013
1698404991110,1cyclictest0-21swapper/208:45:152
169840199105,3cyclictest1717580-21sed07:25:191
16984019980,2cyclictest1698323-21latency_hist07:10:001
16983989970,6cyclictest1698402-21cat07:10:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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